CN215897371U - Power distribution comprehensive box capable of achieving quick power restoration - Google Patents
Power distribution comprehensive box capable of achieving quick power restoration Download PDFInfo
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- CN215897371U CN215897371U CN202122052723.4U CN202122052723U CN215897371U CN 215897371 U CN215897371 U CN 215897371U CN 202122052723 U CN202122052723 U CN 202122052723U CN 215897371 U CN215897371 U CN 215897371U
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Abstract
The utility model discloses a power distribution comprehensive box capable of quickly recovering power, which comprises a box body, a commercial power end, a power generation end, a load end and a switching device, wherein the commercial power end is arranged in the box body and is used for being connected with an alternating current power supply; the power generation end is arranged in the box body and is used for being connected with power generation equipment; the load end is arranged in the box body and used for outputting a power supply; the switching device is arranged in the box body, the switching device is respectively connected with the commercial power end, the power generation end and the load end, and the switching device is used for communicating the load end with the power generation end or the commercial power end, so that a quick power restoration function can be realized, and the improvement of power supply reliability is facilitated.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a power distribution comprehensive box capable of realizing quick power restoration.
Background
The distribution comprehensive box is widely applied to pole transformer racks, is mainly used for low-voltage electric energy distribution and on-site compensation, and is assembled in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement to form a low-voltage distribution device, so that the low-voltage distribution comprehensive box is an essential device in circuit design construction. With the continuous development of the construction process of the power distribution network, the power load is continuously increased and the independent load distribution is concentrated, when the power grid fails, the power distribution comprehensive box in the related technology needs to wait for power restoration, and can not normally supply power during fault maintenance, so that the reliability of power supply is reduced.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a power distribution comprehensive box which can realize a quick power restoration function and is beneficial to improving the power supply reliability.
The embodiment of the utility model provides a power distribution comprehensive box which comprises a box body, a commercial power end, a power generation end, a load end and a switching device, wherein the commercial power end is arranged in the box body and is used for being connected with an alternating current power supply; the power generation end is arranged in the box body and is used for being connected with power generation equipment; the load end is arranged in the box body and used for outputting a power supply; the switching device is arranged in the box body, the switching device is respectively connected with the commercial power end, the power generation end and the load end, and the switching device is used for communicating the load end with the power generation end or the commercial power end.
The power distribution comprehensive box provided by the utility model at least has the following beneficial effects: the power distribution comprehensive box comprises a box body, a commercial power end, a power generation end, a load end and a switching device, wherein the commercial power end, the power generation end, the load end and the switching device are all arranged in the box body, the box body can play a role in protection and ensure the normal work of equipment, the switching device can be arranged to be communicated with the power generation end or the commercial power end, so that the switching of different power supply modes can be realized, the load end can keep normal power output, it can be understood that when a power grid normally works, the switching device is communicated with the commercial power end and the load end, a power supply is accessed through the commercial power end, the load end can normally output the power supply, when the power grid fails, the switching device is communicated with the power generation end and the load end, an emergency power supply can be provided by accessing the power generation end, so that the load end can timely recover power supply, and the power distribution comprehensive box is suitable for planned power failure or fault power failure situations, the power distribution comprehensive box has the advantages that the service efficiency of the power distribution comprehensive box is improved, the power generation end and the power distribution comprehensive box are integrally designed, the power generation end and the power distribution comprehensive box can be effectively integrated and utilized, the quick power restoration function can be realized, the improvement of the power supply reliability is facilitated, and great convenience is brought to power users.
According to some embodiments of the utility model, the power generation terminal comprises a fast interface, the fast interface is matched with a terminal of the power generation equipment, and the fast interface is connected to the load terminal through the switching device. Through setting up dedicated quick interface at the electricity generation end, quick interface and power generating equipment's wiring end phase-match, only need insert quick interface with the wiring end and can realize being connected with power generating equipment, make things convenient for the dismouting, the generating equipment that can significantly reduce and the time of being connected of distribution synthesis case realize the interim power supply that resumes.
According to some embodiments of the utility model, the power generation end further comprises a bolt interface connected to the load end through the switching device. The power generation end still is provided with the bolt interface, inserts the bolt interface through the wiring end with power generation equipment to assist and add the bolt fastening, can realize the distribution and synthesize the case and be connected with power generation equipment equally, through setting up dedicated quick interface and bolt interface, can satisfy different specification power generation equipment's access, thereby can resume the power supply fast under the unusual power failure condition, improve the reliability of supplying power.
According to some embodiments of the present invention, the switching device comprises a knife switch, the knife switch comprises a first movable contact, a first fixed contact and a second fixed contact, the first movable contact is used for communicating with the first fixed contact or the second fixed contact, the first fixed contact is connected to the power generation end, and the second fixed contact is connected to the mains power end. Through setting up the switch, the operating personnel can switch different power supply modes according to the in-service use state, when the commercial power broke down, through manual switching switch, make first movable contact intercommunication first stationary contact, first stationary contact is connected to the power generation end, provide emergency power source by the power generation end, when the commercial power is normally supplied power, first movable contact intercommunication second stationary contact, the second stationary contact is connected to the commercial power end, provide normal power supply by the commercial power end, be applicable to plan power failure or trouble power failure scene, strengthen the suitability of distribution synthesis case.
According to some embodiments of the utility model, the load terminal comprises a plurality of load switches, and the plurality of load switches are connected to the switching device through a wiring copper bar. Through setting up a plurality of load switches, can cut off and put through load circuit, the incident takes place for the prevention circuit, through adopting the wiring copper bar, can realize that a generating line supplies many consumer to use electricity simultaneously, and convenient to use is nimble, is difficult to appear installation error.
According to some embodiments of the utility model, the load side further comprises a disconnector, the disconnector being connected to the switching device by a copper bar connection. Through setting up isolator, when carrying out electrical equipment's maintenance, can break off the power effectively for the electrical equipment who overhauls separates with electric power system's input power, ensures the safety of maintenance staff and electrical equipment.
According to some embodiments of the utility model, the load terminal further comprises a compensation capacitor, and the compensation capacitor is connected with the isolating switch in series through a resistor. By arranging the compensation capacitor, reactive compensation or power factor compensation can be performed, the active power of the power grid can be improved, the energy loss of the line is reduced, and the voltage quality of the power grid is improved.
According to some embodiments of the utility model, further comprising a first current transformer, the first current transformer being disposed between the utility terminal and the switching device. In order to ensure the safe operation of the power system, the operation condition of a power supply access circuit needs to be monitored and measured, and the first current transformer is arranged between a commercial power end and a switching device, so that the effects of current transformation and electrical isolation can be achieved, and the safety of the power supply system is ensured.
According to some embodiments of the utility model, further comprising a second current transformer, the second current transformer being disposed between the switching device and the load side. Through setting up second current transformer, when the circuit breaks down when trouble such as overload for other relay device cooperations cut off the fault circuit, can ensure the power consumption safety of load end.
According to some embodiments of the utility model, further comprising a circuit breaker, the circuit breaker comprising a second movable contact and a third stationary contact, the second movable contact being connected to the second current transformer, the third stationary contact being connected to the switching device. Through setting up the circuit breaker, the second movable contact is connected to second current transformer, and the third stationary contact is connected to auto-change over device, and when the circuit took place the trouble such as short circuit overload, the second movable contact and the separation of third stationary contact can cut off the fault circuit.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a diagram of a power distribution combiner box junction according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power distribution integration box according to an embodiment of the utility model;
fig. 3 is a sectional view taken along the line a-a of fig. 2.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
It will be understood that references to an orientation description, such as an upper, lower, front, rear, left, right, etc., indicate an orientation or positional relationship based on that shown in the drawings or relative to a reference, are only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the present invention. Unless otherwise expressly limited, the terms set, mounted, connected and the like are to be construed broadly, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in consideration of the technical details.
In the description of embodiments of the utility model, reference to the description of the term "one embodiment/implementation," "another embodiment/implementation," or "some embodiments/implementations," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least two embodiments or implementations of the disclosure, and the schematic representation of the term above does not necessarily refer to the same example embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.
In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1 to 3, an embodiment of the utility model provides a power distribution integrated box 100, including a box body 110, a utility end 120, a power generation end 130, a load end 140, and a switching device 150, where the utility end 120 is disposed in the box body 110, and the utility end 120 is used for accessing an ac power supply; the power generation end 130 is arranged in the box body 110, and the power generation end 130 is used for being connected with power generation equipment; the load end 140 is disposed in the box body 110, and the load end 140 is used for outputting power; the switching device 150 is disposed in the box 110, the switching device 150 is connected to the utility power terminal 120, the power generation terminal 130 and the load terminal 140, and the switching device 150 is used for connecting the load terminal 140 to the power generation terminal 130 or the utility power terminal 120.
The power distribution integrated box 100 comprises a box body 110, a commercial power end 120, a power generation end 130, a load end 140 and a switching device 150, wherein the commercial power end 120, the power generation end 130, the load end 140 and the switching device 150 are all arranged in the box body 110, the box body 110 can play a role of protection and ensure the normal work of equipment, the power generation end 130 or the commercial power end 120 can be communicated by arranging the switching device 150, so that the switching of different power supply modes can be realized, the load end 140 can keep normal power output, it can be understood that when the power grid works normally, the switching device 150 is communicated with the commercial power end 120 and the load end 140, the power is accessed through the commercial power end 120, the load end 140 can output power normally, when the power grid fails, the switching device 150 is communicated with the power generation end 130 and the load end 140, the power generation equipment is accessed through the power generation end 130, an emergency power supply can be provided, so that the load end 140 can recover power supply in time, the power distribution comprehensive box 100 is suitable for the situation of planned power failure or fault power failure, the use efficiency of the power distribution comprehensive box 100 is improved, the power generation end 130 and the power distribution comprehensive box 100 are integrally designed, the power generation end can be effectively integrated and utilized, the quick power restoration function can be realized, the improvement of the power supply reliability is facilitated, and great convenience is brought to power consumers.
The power generation equipment can be emergency power supply equipment such as a power generation car and a power generator.
As shown in fig. 1 and 3, according to some embodiments of the present invention, the power generation terminal 130 includes a quick interface 131, the quick interface 131 matches with a terminal of a power generation device, and the quick interface 131 is connected to the load terminal 140 through a switching device 150. Through setting up dedicated quick interface 131 at electricity generation end 130, quick interface 131 and power generating equipment's wiring end phase-match, only need insert quick interface 131 with the wiring end and can realize being connected with power generating equipment, make things convenient for the dismouting, can the significantly reduced power generating equipment and the combined box 100's of distribution connection time, realize the interim power supply that resumes.
Different from the power distribution comprehensive box without a special interface in the prior art, the power distribution comprehensive box 100 of the embodiment of the utility model can greatly shorten the connection time by arranging the quick interface 131, and is favorable for improving the fault removal efficiency and the power supply reliability.
As shown in fig. 1 and 3, according to some embodiments of the present invention, the power generation end 130 further includes a bolt interface 132, the bolt interface 132 being connected to the load end 140 through a switching device 150. The power generation end 130 is further provided with a bolt interface 132, the terminal of the power generation equipment is connected into the bolt interface 132, the bolt is additionally arranged for fixing, the power distribution integrated box 100 can be connected with the power generation equipment, the special quick interface 131 and the bolt interface 132 are arranged, the power generation equipment with different specifications can be connected, power supply can be rapidly recovered under the abnormal power failure condition, and the power supply reliability is improved.
As shown in fig. 1 to 3, according to some embodiments of the present invention, the switching device 150 includes a knife switch 151, the knife switch 151 includes a first movable contact a1, a first fixed contact B1 and a second fixed contact B2, the first movable contact a1 is used for communicating with the first fixed contact B1 or the second fixed contact B2, the first fixed contact B1 is connected to the power generation terminal 130, and the second fixed contact B2 is connected to the utility terminal 120. Through setting up switch 151, the operating personnel can switch different power supply modes according to the in-service use state, when the commercial power broke down, through manual switch 151, make first movable contact A1 communicate first stationary contact B1, first stationary contact B1 is connected to electricity generation end 130, provide emergency power supply by electricity generation end 130, when the commercial power is normal, first movable contact A1 communicates second stationary contact B2, second stationary contact B2 is connected to commercial power end 120, provide normal power supply by commercial power end 120, be applicable to the plan power failure or the trouble power failure scene, strengthen the suitability of distribution integrated box 100.
As shown in fig. 1 and 2, according to some embodiments of the present invention, the load terminal 140 includes a plurality of load switches 141, and the plurality of load switches 141 are connected to the switching device 150 through the wiring copper bar 160. Through setting up a plurality of load switch 141, can cut off and put through load circuit, the incident takes place for the prevention circuit, through adopting wiring copper bar 160, can realize that a generating line supplies many consumer to use electricity simultaneously, and convenient to use is nimble, is difficult to appear the installation mistake. It should be noted that the load switch may be a molded case circuit breaker, which can protect the line and the electric equipment from being damaged by the faults such as overload, short circuit, undervoltage, etc.
As shown in fig. 1, according to some embodiments of the present invention, the load end 140 further includes a disconnecting switch 142, and the disconnecting switch 142 is connected to the switching device 150 through a wiring copper bar 160. Through setting up isolator 142, when carrying out the maintenance of electrical equipment, can break off the power effectively for the electrical equipment who overhauls is separated with electric power system's input power, ensures the safety of maintenance staff and electrical equipment.
As shown in fig. 1 and 3, according to some embodiments of the present invention, the load terminal 140 further includes a compensation capacitor 143, and the compensation capacitor 143 is connected in series with the isolation switch 142 through a resistor. By arranging the compensation capacitor 143, reactive compensation or power factor compensation can be performed, active power of the power grid can be improved, energy loss of a line is reduced, and voltage quality of the power grid is improved.
As shown in fig. 1, according to some embodiments of the present invention, a first current transformer 170 is further included, and the first current transformer 170 is disposed between the utility terminal 120 and the switching device 150. In order to ensure the safe operation of the power system, the operation condition of the power access line needs to be monitored and measured, and by arranging the first current transformer 170, the first current transformer 170 is arranged between the commercial power end 120 and the switching device 150, so that the functions of current transformation and electrical isolation can be achieved, and the safety of the power supply system is ensured.
As shown in fig. 1, according to some embodiments of the present invention, a second current transformer 180 is further included, and the second current transformer 180 is disposed between the switching device 150 and the load terminal 140. Through setting up second current transformer 180, when the circuit breaks down when trouble such as overload for the circuit, can output signal for other relay device cooperations cut off the fault circuit, can ensure load end 140's power consumption safety.
According to some embodiments of the present invention, further comprising a circuit breaker 190, the circuit breaker 190 comprising a second movable contact a2 and a third stationary contact B3, the second movable contact a2 connected to the second current transformer 180, the third stationary contact B3 connected to the switching device 150. By providing the circuit breaker 190, the second movable contact a2 is connected to the second current transformer 180, the third stationary contact B3 is connected to the switching device 150, and when a fault such as a short circuit or an overload occurs in a line, the second movable contact a2 and the third stationary contact B3 are separated, and a fault circuit can be interrupted.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A quick compound electric distribution synthesis case, its characterized in that includes:
a box body;
the commercial power end is arranged in the box body and is used for being connected with an alternating current power supply;
the power generation end is arranged in the box body and is used for being connected with power generation equipment;
the load end is arranged in the box body and used for outputting a power supply;
the switching device is arranged in the box body, the switching device is respectively connected with the commercial power end, the power generation end and the load end, and the switching device is used for communicating the load end with the power generation end or the commercial power end.
2. The power distribution combiner box of claim 1, wherein the power generation terminal comprises a quick interface that mates with a terminal of the power generation equipment, the quick interface being connected to the load terminal through the switching device.
3. The power distribution combiner box of claim 2, wherein the power generation end further comprises a bolted interface connected to the load end through the switching device.
4. The power distribution combiner box of claim 1, wherein the switching device comprises a knife switch, the knife switch comprises a first movable contact, a first fixed contact and a second fixed contact, the first movable contact is used for communicating with the first fixed contact or the second fixed contact, the first fixed contact is connected to the power generation end, and the second fixed contact is connected to the commercial power end.
5. The power distribution combiner box of claim 1, wherein the load terminal comprises a plurality of load switches connected to the switching device by a copper bar of wiring.
6. The power distribution combiner box of claim 1, wherein the load side further comprises a disconnector connected to the switching device by a copper wiring bar.
7. The power distribution combiner box of claim 6, wherein the load side further comprises a compensation capacitor connected in series with the isolation switch via a resistor.
8. The power distribution integration box of claim 1, further comprising a first current transformer disposed between the utility terminal and the switching device.
9. The power distribution combiner box of claim 1, further comprising a second current transformer disposed between the switching device and the load side.
10. The power distribution integration box of claim 9, further comprising a circuit breaker, the circuit breaker comprising a second movable contact and a third stationary contact, the second movable contact connected to the second current transformer, the third stationary contact connected to the switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052723.4U CN215897371U (en) | 2021-08-27 | 2021-08-27 | Power distribution comprehensive box capable of achieving quick power restoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052723.4U CN215897371U (en) | 2021-08-27 | 2021-08-27 | Power distribution comprehensive box capable of achieving quick power restoration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215897371U true CN215897371U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122052723.4U Active CN215897371U (en) | 2021-08-27 | 2021-08-27 | Power distribution comprehensive box capable of achieving quick power restoration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215897371U (en) |
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2021
- 2021-08-27 CN CN202122052723.4U patent/CN215897371U/en active Active
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